What is a MapReduce Combiner?
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Explain how do ‘map’ and ‘reduce’ work?
When is it not recommended to use MapReduce paradigm for large scale data processing?
Is it possible to search for files using wildcards?
What is the input type/format in MapReduce by default?
What are combiners? When should I use a combiner in my MapReduce Job?
Where sorting is done in Hadoop MapReduce Job?
What do you understand by mapreduce?
What are the benefits of Spark over MapReduce?
Illustrate a simple example of the working of MapReduce.
How can you add the arbitrary key-value pairs in your mapper?
What are the various input and output types supported by mapreduce?
How to sort intermediate output based on values in MapReduce?
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